Laboratory apparatus



FIG. 1 is a front, left, top perspective view of a laboratory apparatus showing our design therefor;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines represent portions of the laboratory apparatus that form no part of the claimed design. 

CLAIM The ornamental design for a laboratory apparatus, as shown and described. 